Oops, it doesn't look like 'tripe day' is a national day..

Other days

kale

Kale Day
hoodie

Hoodie Day
bonang

Bonang Day
ride the wind

Ride The Wind Day
pumpkin

Pumpkin Day
self care

Self Care Day
hannah

Hannah Day
offer

Offer Day
kiss a ginger

Kiss A Ginger Day
lisp

Lisp Day